GRINDING MACHINES, COMBINED SPARK EROSION AND GRINDING MACHINES, AND GRINDING WHEELS FOR USE THEREWITH; MACHINE TOOLS, NAMELY, SPARK EROSION TOOLS, COMBINED SPARK EROSION AND GRINDING TOOLS, TRUING TOOLS, CUTTING TOOLS, AND DIAMOND TOOLS USED FOR WORKING OF METALS, SYNTHETIC MATERIALS AND WOOD

REPAIR OF TOOLS FOR OTHERS, NAMELY, GRINDING, TRUING AND SPARK ERODING